Which of the following would lead to increased heart rate?
A) increased sympathetic input
B) decreased sympathetic input
C) increased parasympathetic input
D) decreased parasympathetic input
E) both increased sympathetic input and decreased parasympathetic input
Answer: E
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Another word for breathing is ventilation.
Answer the following statement true (T) or false (F)
Which of the following is a not a true statement regarding the countercurrent multiplication system?
A) The thin limb of the nephron loop is permeable to water. B) The thick limb of the nephron loop is permeable to solutes. C) Osmotic concentration in the nephron loop decreases as fluid flows toward the bottom of the loop. D) Tubule fluid arrives at the DCT at about 100 mOsm/L. E) The maximum solute concentration is about 1200 mOsm/L.
This nerve helps to plant the foot and receives sensory signals from the skin of the sole.
A. Deep fibular nerve B. Genitofemoral nerve C. Obturator nerve D. Femoral nerve E. Tibial nerve
Why is human chorionic gonadotropin (hCG) important early in pregnancy?
A) guides the embryo to the appropriate site for implantation B) promotes cleavage of the zygote C) prevent other sperm from fertilization the oocyte D) prods the corpus luteum to continue producing hormones E) promotes menstruation